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P0301 Diagnostic Trouble Code Discussion for April 2013

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2002 Honda Accord LX 2.3L Stall, Misfire, MIL Lamp on VIN: 3HGCG56452
P0301: Cylinder 1 Misfire Detected. My question is, when you have P1399, P0301 and P0304, why is this caused by the distributor, or is it? I told the man to drive his car at least 100 miles, so the rings can completely seat in. So far, he has not done this. Compression has risen to 155 PSI after...
April 03, 2013
2002 Honda Accord LX 2.3L Stall, Misfire, MIL Lamp on VIN: 3HGCG56452
P0301: Cylinder 1 Misfire Detected. My question is, when you have P1399, P0301 and P0304, why is this caused by the distributor, or is it? I told the man to drive his car at least 100 miles, so the rings can completely seat in. So far, he has not done this. Compression has risen to 155 PSI after...
April 06, 2013
2002 Honda CR-V LX 2.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: SHSRD68412
P0301: Cylinder 1 Misfire Detected. This car when sold will go to high idle and as it gradually comes down it will start misfiring an eventually stall, I can keep it running with my foot on the gas but act like its in fail safe when revved above 2500 rpm's. I put the crank pulley on the white ma...
April 09, 2013
2004 Saturn Vue Red Line 3.5L Misfire, MIL Lamp on VIN: 5GZCZ63424
P0301: Cylinder 1 Misfire Detected. i have checked timing marks twice, checked valve adjustment,install denso iridium plugs, and still check engine light for misfire
April 10, 2013
2002 Ford Focus LX 2.0L Excessive Emissions, Misfire VIN: 1FAFP33P02
P0301: misfire 1 cylinder. Greetings ladies and gentlemen: Customer brought their vehicle in with concerns of rough idle as well as check engine light coming on intermittantly. Verified both concerns as well as flashing check engine light with extended idle. Seems worse when engine is...
April 16, 2013
1999 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S1X
P0301: Cylinder 1 Misfire Detected. This Jeep has driven another shop nuts and now it`s my turn. I checked compression, tried a third set of plugs, swapped out the crank sensor and upstream o2`s to no avail. Pulled fuel rail and all injectors spray a good pattern. You start this up and 30 second...
April 16, 2013
2002 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on, P1399 VIN: 1HGCG16592
P0301: Cylinder 1 Misfire Detected. started misfiring all of a sudden, check for codes po301-po306 also PO1399 all cylinders. tested egr system ok replaced sparkplugs replaced wornout & Miles, adjusted valves, cleaned injectors checked fuel for excessive alcohol ok
April 18, 2013
2000 Jaguar S-Type 4.0L Misfire VIN: SAJDA01D5Y
P0301: . Hey guys I need some help. I have this Jag that keeps getting WATER in the spark plug holes and causing a misfire. This appears to only happen after a rain or going through a car wash. The water is getting into multiple cylinders without any set pattern. All o...
April 18, 2013
1999 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S1X
P0301: Cylinder 1 Misfire Detected. This Jeep has driven another shop nuts and now it`s my turn. I checked compression, tried a third set of plugs, swapped out the crank sensor and upstream o2`s to no avail. Pulled fuel rail and all injectors spray a good pattern. You start this up and 30 second...
April 20, 2013
2002 Ford Focus LX 2.0L Excessive Emissions, Misfire VIN: 1FAFP33P02
P0301: misfire 1 cylinder. Greetings ladies and gentlemen: Customer brought their vehicle in with concerns of rough idle as well as check engine light coming on intermittantly. Verified both concerns as well as flashing check engine light with extended idle. Seems worse when engine is...
April 22, 2013
2000 Jaguar S-Type 4.0L Misfire VIN: SAJDA01D5Y
P0301: . Hey guys I need some help. I have this Jag that keeps getting WATER in the spark plug holes and causing a misfire. This appears to only happen after a rain or going through a car wash. The water is getting into multiple cylinders without any set pattern. All o...
April 22, 2013
2007 Saab 9-3 Aero 2.8L MIL Lamp on VIN: YS3FH71U27
P0301: Missfire Cyl 1. This is our first time on a 2.8 V6 with what appears to be a mechanical problem. It would appear that the code would be set by a timing chain problem. Has anyone seen this on an engine with 50K on it. In trying to decide how to work up estimates the labor guid...
April 22, 2013
2001 GMC Jimmy SLE 4.3L Misfire, MIL Lamp on VIN: 1GKDT13W61
P0301: testing and results. Truck runs fine you feel no misfire. It doesn't miss at idle at all on the counters. It misses on cylinders 1-5 above [...] in park(Cylinder # 4 misses almost every count & # 1 is about half as many. The other cylinders only have a few), but only after war...
April 24, 2013
2008 Jeep Grand Cherokee Laredo 4.7L Misfire VIN: 1J8HR48N68
P0301: Cyl 1 Misfire. Vehicle came in for the p1128, p1129 codes. Found flash and suggested customer get that taken care of before any further diag on those codes. All codes where history. Customer also complained of a stall condition. Could not duplicate stall. Customer wanted plu...
April 24, 2013
2002 Toyota Sequoia SR5 4.7L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 5TDBT44A62
P0301: Cylinder 1 Misfire Detected. Vehicle came in with only one code to my knowlege. Another Tech had the vehicle. Had to replace drivers side manifold due to O2 sensor crossthreaded. After replacing manifold and oxygen sensor this thing drove fine but when you let it idle would develope a mis...
April 24, 2013
2001 Nissan Sentra GXE 1.8L Hesitation VIN: 3N1CB51D81
P0301: Cylinder 1 Misfire Detected. Nissan Techs! Please help Have a Sentra with an Attitude! will run good untill you get into it! Then it falls on its FACE! Pressures are Good, New Mass Air, Aftermarket, no change New coil(cyl 1) and plugs, no change. No more check engine light. When I pinch o...
April 27, 2013
2002 Honda Accord LX 2.3L Stall, Misfire, MIL Lamp on VIN: 3HGCG56452
P0301: Cylinder 1 Misfire Detected. My question is, when you have P1399, P0301 and P0304, why is this caused by the distributor, or is it? I told the man to drive his car at least 100 miles, so the rings can completely seat in. So far, he has not done this. Compression has risen to 155 PSI after...
April 03, 2013
2002 Honda Accord LX 2.3L Stall, Misfire, MIL Lamp on VIN: 3HGCG56452
P0301: Cylinder 1 Misfire Detected. My question is, when you have P1399, P0301 and P0304, why is this caused by the distributor, or is it? I told the man to drive his car at least 100 miles, so the rings can completely seat in. So far, he has not done this. Compression has risen to 155 PSI after...
April 06, 2013
2002 Honda CR-V LX 2.4L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: SHSRD68412
P0301: Cylinder 1 Misfire Detected. This car when sold will go to high idle and as it gradually comes down it will start misfiring an eventually stall, I can keep it running with my foot on the gas but act like its in fail safe when revved above 2500 rpm's. I put the crank pulley on the white ma...
April 09, 2013
2004 Saturn Vue Red Line 3.5L Misfire, MIL Lamp on VIN: 5GZCZ63424
P0301: Cylinder 1 Misfire Detected. i have checked timing marks twice, checked valve adjustment,install denso iridium plugs, and still check engine light for misfire
April 10, 2013
2002 Ford Focus LX 2.0L Excessive Emissions, Misfire VIN: 1FAFP33P02
P0301: misfire 1 cylinder. Greetings ladies and gentlemen: Customer brought their vehicle in with concerns of rough idle as well as check engine light coming on intermittantly. Verified both concerns as well as flashing check engine light with extended idle. Seems worse when engine is...
April 16, 2013
1999 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S1X
P0301: Cylinder 1 Misfire Detected. This Jeep has driven another shop nuts and now it`s my turn. I checked compression, tried a third set of plugs, swapped out the crank sensor and upstream o2`s to no avail. Pulled fuel rail and all injectors spray a good pattern. You start this up and 30 second...
April 16, 2013
2002 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on, P1399 VIN: 1HGCG16592
P0301: Cylinder 1 Misfire Detected. started misfiring all of a sudden, check for codes po301-po306 also PO1399 all cylinders. tested egr system ok replaced sparkplugs replaced wornout & Miles, adjusted valves, cleaned injectors checked fuel for excessive alcohol ok
April 18, 2013
2000 Jaguar S-Type 4.0L Misfire VIN: SAJDA01D5Y
P0301: . Hey guys I need some help. I have this Jag that keeps getting WATER in the spark plug holes and causing a misfire. This appears to only happen after a rain or going through a car wash. The water is getting into multiple cylinders without any set pattern. All o...
April 18, 2013
1999 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW58S1X
P0301: Cylinder 1 Misfire Detected. This Jeep has driven another shop nuts and now it`s my turn. I checked compression, tried a third set of plugs, swapped out the crank sensor and upstream o2`s to no avail. Pulled fuel rail and all injectors spray a good pattern. You start this up and 30 second...
April 20, 2013
2002 Ford Focus LX 2.0L Excessive Emissions, Misfire VIN: 1FAFP33P02
P0301: misfire 1 cylinder. Greetings ladies and gentlemen: Customer brought their vehicle in with concerns of rough idle as well as check engine light coming on intermittantly. Verified both concerns as well as flashing check engine light with extended idle. Seems worse when engine is...
April 22, 2013
2000 Jaguar S-Type 4.0L Misfire VIN: SAJDA01D5Y
P0301: . Hey guys I need some help. I have this Jag that keeps getting WATER in the spark plug holes and causing a misfire. This appears to only happen after a rain or going through a car wash. The water is getting into multiple cylinders without any set pattern. All o...
April 22, 2013
2007 Saab 9-3 Aero 2.8L MIL Lamp on VIN: YS3FH71U27
P0301: Missfire Cyl 1. This is our first time on a 2.8 V6 with what appears to be a mechanical problem. It would appear that the code would be set by a timing chain problem. Has anyone seen this on an engine with 50K on it. In trying to decide how to work up estimates the labor guid...
April 22, 2013
2001 GMC Jimmy SLE 4.3L Misfire, MIL Lamp on VIN: 1GKDT13W61
P0301: testing and results. Truck runs fine you feel no misfire. It doesn't miss at idle at all on the counters. It misses on cylinders 1-5 above [...] in park(Cylinder # 4 misses almost every count & # 1 is about half as many. The other cylinders only have a few), but only after war...
April 24, 2013
2008 Jeep Grand Cherokee Laredo 4.7L Misfire VIN: 1J8HR48N68
P0301: Cyl 1 Misfire. ... codes. Found flash and suggested customer get that taken care of before any further diag on those codes. All codes where history. Customer also complained of a stall condition. Could not duplicate stall. Customer wanted plugs for maint. Replaced the plugs ...
April 24, 2013
2002 Toyota Sequoia SR5 4.7L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 5TDBT44A62
P0301: Cylinder 1 Misfire Detected. Vehicle came in with only one code to my knowlege. Another Tech had the vehicle. Had to replace drivers side manifold due to O2 sensor crossthreaded. After replacing manifold and oxygen sensor this thing drove fine but when you let it idle would develope a mis...
April 24, 2013
2001 Nissan Sentra GXE 1.8L Hesitation VIN: 3N1CB51D81
P0301: Cylinder 1 Misfire Detected. Nissan Techs! Please help Have a Sentra with an Attitude! will run good untill you get into it! Then it falls on its FACE! Pressures are Good, New Mass Air, Aftermarket, no change New coil(cyl 1) and plugs, no change. No more check engine light. When I pinch o...
April 27, 2013